1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
#include "gtest/gtest.h"
#include <mbgl/map/map.hpp>
#include <mbgl/util/image.hpp>
#include <mbgl/util/io.hpp>
#include <mbgl/util/std.hpp>
#include <rapidjson/document.h>
#include <rapidjson/writer.h>
#include <rapidjson/stringbuffer.h>
#include <mbgl/platform/default/headless_view.hpp>
#include <mbgl/platform/default/headless_display.hpp>
#include "./fixtures/fixture_log.hpp"
#include <dirent.h>
const std::string base_directory = []{
std::string fn = __FILE__;
fn.erase(fn.find_last_of("/"));
fn.erase(fn.find_last_of("/"));
return fn + "/test/suite/";
}();
auto display_ = std::make_shared<mbgl::HeadlessDisplay>();
class HeadlessTest : public ::testing::TestWithParam<std::string> {};
TEST_P(HeadlessTest, render) {
using namespace mbgl;
const std::string &base = GetParam();
std::string style = util::read_file(base_directory + "tests/" + base + "/style.json");
std::string info = util::read_file(base_directory + "tests/" + base + "/info.json");
// Parse style.
rapidjson::Document styleDoc;
styleDoc.Parse<0>((const char *const)style.c_str());
ASSERT_FALSE(styleDoc.HasParseError());
ASSERT_TRUE(styleDoc.IsObject());
rapidjson::StringBuffer buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
styleDoc.Accept(writer);
style = buffer.GetString();
// Parse settings.
rapidjson::Document infoDoc;
infoDoc.Parse<0>((const char *const)info.c_str());
ASSERT_FALSE(infoDoc.HasParseError());
ASSERT_TRUE(infoDoc.IsObject());
Log::Set<FixtureLogBackend>();
for (auto it = infoDoc.MemberBegin(), end = infoDoc.MemberEnd(); it != end; it++) {
const std::string name { it->name.GetString(), it->name.GetStringLength() };
const rapidjson::Value &value = it->value;
ASSERT_TRUE(value.IsObject());
if (value.HasMember("center")) ASSERT_TRUE(value["center"].IsArray());
const std::string actual_image = base_directory + "tests/" + base + "/" + name + "/actual.png";
const double zoom = value.HasMember("zoom") ? value["zoom"].GetDouble() : 0;
const double bearing = value.HasMember("bearing") ? value["bearing"].GetDouble() : 0;
const double latitude = value.HasMember("center") ? value["center"][rapidjson::SizeType(0)].GetDouble() : 0;
const double longitude = value.HasMember("center") ? value["center"][rapidjson::SizeType(1)].GetDouble() : 0;
const unsigned int width = value.HasMember("width") ? value["width"].GetUint() : 512;
const unsigned int height = value.HasMember("height") ? value["height"].GetUint() : 512;
const unsigned int pixelRatio = value.HasMember("pixelRatio") ? value["pixelRatio"].GetUint() : 1;
std::vector<std::string> classes;
if (value.HasMember("classes")) {
const rapidjson::Value &js_classes = value["classes"];
ASSERT_TRUE(js_classes.IsArray());
for (rapidjson::SizeType i = 0; i < js_classes.Size(); i++) {
const rapidjson::Value &js_class = js_classes[i];
ASSERT_TRUE(js_class.IsString());
classes.push_back({ js_class.GetString(), js_class.GetStringLength() });
}
}
HeadlessView view(display_);
Map map(view);
map.setStyleJSON(style, base_directory);
map.setAppliedClasses(classes);
view.resize(width, height, pixelRatio);
map.resize(width, height, pixelRatio);
map.setLonLatZoom(longitude, latitude, zoom);
map.setBearing(bearing);
// Run the loop. It will terminate when we don't have any further listeners.
map.run();
const unsigned int w = width * pixelRatio;
const unsigned int h = height * pixelRatio;
auto pixels = view.readPixels();
const int stride = w * 4;
auto tmp = std::unique_ptr<char[]>(new char[stride]());
char *rgba = reinterpret_cast<char *>(pixels.get());
for (int i = 0, j = height - 1; i < j; i++, j--) {
memcpy(tmp.get(), rgba + i * stride, stride);
memcpy(rgba + i * stride, rgba + j * stride, stride);
memcpy(rgba + j * stride, tmp.get(), stride);
}
const std::string image = util::compress_png(w, h, pixels.get());
util::write_file(actual_image, image);
}
}
INSTANTIATE_TEST_CASE_P(Headless, HeadlessTest, ::testing::ValuesIn([] {
std::vector<std::string> names;
DIR *dir = opendir((base_directory + "tests").c_str());
if (dir == nullptr) {
return names;
}
for (dirent *dp = nullptr; (dp = readdir(dir)) != nullptr;) {
const std::string name = dp->d_name;
if (name != "." && name != ".." && name != "index.html") {
names.push_back(name);
}
}
closedir(dir);
return names;
}()));
|
